The Pentek 150166 (also known as the Big Blue 3G Standard 10" Whole House Filter System) is a heavy-duty point-of-entry filtration housing manufactured by Pentair/Pentek. It includes a Big Blue 10" filter housing with 1" FNPT inlet/outlet ports, a pressure relief button, a mounting bracket, a housing wrench, and a Pentek sediment filter cartridge. It is designed to treat all the water entering your home, protecting plumbing, appliances, and fixtures from sediment, rust, and dirt.

The Pentek 150166 system ships with a Big Blue sediment cartridge rated at 5 microns. At this micron level, it effectively reduces sand, silt, sediment, rust particles, scale, and suspended solids from your incoming water supply. This protects downstream appliances like water heaters, washing machines, and dishwashers from particulate damage and extends the life of other point-of-use filters.

Yes. The Pentek 150166 housing components are tested and certified to NSF/ANSI Standard 42 for material safety and structural integrity. The Big Blue housing is built from high-strength reinforced polypropylene, rated for operating pressures up to 90 psi and temperatures up to 100°F, ensuring safe and reliable whole-house performance.

The Pentek 150166 sediment cartridge has a service life of approximately 3 to 6 months, or up to 40,000–50,000 gallons, depending on your incoming water quality and household usage. Homes with well water or heavy sediment loads may need more frequent replacements. We recommend changing the cartridge every 3 months or when you notice a drop in water pressure, whichever comes first.

The Pentek 150166 features 1" FNPT inlet and outlet connections and supports a flow rate of up to 15 gallons per minute (GPM), making it ideal for whole-home applications. It accommodates standard 10" x 4.5" Big Blue replacement cartridges, giving you flexibility to use sediment, carbon block, or specialty cartridges based on your water treatment needs.